CN117517004B - Layered sampling device for water quality detection - Google Patents
Layered sampling device for water quality detection Download PDFInfo
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- CN117517004B CN117517004B CN202410023600.3A CN202410023600A CN117517004B CN 117517004 B CN117517004 B CN 117517004B CN 202410023600 A CN202410023600 A CN 202410023600A CN 117517004 B CN117517004 B CN 117517004B
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- 238000005070 sampling Methods 0.000 title claims abstract description 385
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 66
- 238000001514 detection method Methods 0.000 title abstract description 18
- 238000007789 sealing Methods 0.000 claims abstract description 20
- 230000000149 penetrating effect Effects 0.000 claims abstract description 5
- 238000004891 communication Methods 0.000 claims description 12
- 238000007790 scraping Methods 0.000 claims description 6
- 238000012372 quality testing Methods 0.000 claims description 4
- 239000013049 sediment Substances 0.000 abstract description 26
- 238000000034 method Methods 0.000 description 26
- 230000009471 action Effects 0.000 description 18
- 230000008569 process Effects 0.000 description 15
- 230000000694 effects Effects 0.000 description 9
- 230000000712 assembly Effects 0.000 description 6
- 238000000429 assembly Methods 0.000 description 6
- 230000005484 gravity Effects 0.000 description 6
- 238000009434 installation Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 4
- 239000004576 sand Substances 0.000 description 4
- 238000000926 separation method Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/16—Devices for withdrawing samples in the liquid or fluent state with provision for intake at several levels
Abstract
The invention relates to the technical field of water quality detection, in particular to a water quality detection layered sampling device, which comprises a connecting component; the connecting frame is provided with a plurality of connecting frames and is connected with the connecting assembly; the sampling box is provided with a plurality of inner walls which are respectively connected with one connecting frame in a rotating way, is arranged above the connecting frame in the vertical direction, is hollow, and is arranged in a penetrating way at the bottom surface; a sealing plate closing the sampling box; the limiting pieces are provided with a plurality of limiting pieces and are connected to the connecting assembly, the limiting pieces are respectively used for controlling one of the sampling boxes to rotate, the sampling boxes are positioned below the connecting frame after rotation, and the sealing plates seal the sampling boxes; the control assembly enables the sampling box to rotate through the control limiting piece, wherein after one of the sampling boxes rotates, the control assembly controls the sampling box at the upper stage of the sampling box to rotate. The invention can be convenient for measuring the sediment content, is convenient for sampling, and improves the sampling accuracy of the device.
Description
Technical Field
The invention relates to the technical field of water quality detection, in particular to a water quality detection layered sampling device.
Background
Yellow river is the river with the highest sediment content in the world. The implementation of water and sand regulation is one of key measures for improving the relationship of yellow river water and sand. The sand content data is one of important hydrological data of yellow river, and the sand content measurement and data processing work is particularly important and prominent, and is also a most basic hydrological survey project.
The invention patent of China with the application number of CN202010296678.4 discloses a stratified sampling device for water quality detection and a use method, the stratified sampling device comprises a detection plate, a positioning nail, a connecting rod, a supporting block and a second limiting block, wherein the detection plate is provided with a fixed plate, the fixed plate is provided with a first rotating rod, the first rotating rod is provided with a vortex spring, the positioning nail is mutually attached to the fixed plate, the positioning nail is mutually attached to the first rotating rod, the lower surface of the detection plate is provided with a first sleeve, the inner surface of the first sleeve is mutually attached to a second sleeve, the second sleeve is provided with the first limiting block, the outer surface of the connecting rod is mutually attached to the inner surface of the second sleeve, and the connecting rod is provided with the first limiting block. In the sampling process, water flow enters the sampling device body through the through hole at the top of the sampling device body.
In view of the above-mentioned related art, the present inventors consider that the above-mentioned application is inconvenient to take out the water sample together with the sediment contained in the water sample in the sampling process, and the sampling device body in the above-mentioned application causes disturbance to the water sample, affecting the accuracy of sampling of a plurality of other sampling device bodies.
Disclosure of Invention
In order to facilitate the determination of the sediment content and the sampling, and improve the sampling accuracy of the device, the invention provides a water quality detection layered sampling device.
The invention provides a water quality detection layered sampling device, which adopts the following technical scheme: the water quality detection layered sampling device comprises a connecting component; the connecting frames are provided with a plurality of connecting frames and are connected with the connecting assembly, and the connecting frames are arranged at intervals in parallel in the vertical direction; the sampling box is provided with a plurality of inner walls which are respectively connected with the connecting frame in a rotating way, the sampling box is arranged above the connecting frame in the vertical direction, the inside of the sampling box is hollow, and the bottom surface of the sampling box is arranged in a penetrating way; the sealing plates are provided with a plurality of sealing plates and are respectively and fixedly connected to the inner wall of one connecting frame, and the sealing plates seal the sampling box; the limiting pieces are provided with a plurality of limiting pieces and are connected with the connecting assembly, the limiting pieces are respectively used for controlling one of the sampling boxes to rotate, the sampling boxes are positioned below the connecting frame after the rotation of the sampling boxes is completed, and the sealing plate seals the sampling boxes; the control assembly is provided with a plurality of groups and is connected with the connecting assembly, and the control assembly enables the sampling box to rotate through controlling the limiting piece, wherein after one of the sampling boxes rotates, the control assembly controls the sampling box at the upper stage of the sampling box to rotate.
Through adopting above-mentioned technical scheme, the closing plate seals the sampling box, and the sampling box rotates to be connected in the connecting frame, can accomplish the sample at the sampling box in-process of rotating. The change in the past through the through-hole flow to the sampling mode in the sampling box on the rivers through the sampling box, rotate through the sampling box and take a sample, be convenient for together load at the sampling box inside with the silt that contains in the water sample, be convenient for detect silt content, be convenient for carry out water quality testing.
Before the sampling box rotates, the sealing plate seals the sampling box, reduces the condition that the sampling box enters into the sampling box inside with silt at the water sample of other degree of depth of removal in-process, the accuracy of hoisting device sample. After the sampling box rotates, the sealing plate still seals the sampling box, the tightness of the device is improved, the flowing and changing conditions of water samples and sediment in the sampling box in the moving process of the device are reduced, and the sampling accuracy of the device is improved.
The plurality of connecting frames are arranged at intervals in parallel in the vertical direction, and the plurality of sampling boxes are respectively connected to one connecting frame in a rotating mode, namely the plurality of sampling boxes are arranged at intervals in parallel in the vertical direction. The arrangement of the sampling box can disturb the water flow near the sampling box and influence other sampling boxes near the sampling box to sample; if the interval between sampling boxes is increased, the length of the device is affected, and the interval of the device when performing layered sampling is affected. The control assembly controls the rotation of the sampling boxes through the control limiting piece, and after one of the sampling boxes rotates below the connecting frame, the control assembly controls the sampling boxes of the upper stage of the sampling boxes to rotate. After the sampling box rotates to the lower side of the connecting frame, the interval between the sampling box and the upper stage sampling box is increased, the condition that water flow is disturbed mutually between a plurality of sampling boxes is reduced under the condition that the length of the device is not required to be increased, and the sampling accuracy of the device is improved.
Optionally, the coupling assembling includes fixed plate and a plurality of connecting plate, fixed plate and a plurality of the equal vertical setting of connecting plate, a plurality of the connecting plate sets up at vertical direction interval, one of them the connecting plate dismantle connect in the fixed plate, adjacent two the connecting plate is dismantled and is connected, be equipped with the connecting piece on the connecting plate, the connecting piece is used for restricting the connecting plate is relative the position of fixed plate, the connecting piece is used for restricting adjacent two the relative position of connecting plate, a plurality of the connecting frame connect respectively in one the connecting plate.
Through adopting above-mentioned technical scheme, coupling assembling includes fixed plate and a plurality of connecting plate, and the fixed plate is convenient for restrict the whole position of device, and the staff of being convenient for uses.
Wherein, the connecting plate is dismantled and is connected in the fixed plate, and dismantle through the connecting piece between two adjacent connecting plates and be connected, convenient to detach and installation connecting plate, be convenient for according to actual demand adjusting device upper junction plate installation quantity, the connecting frame is connected in a connecting plate respectively, through the installation quantity of adjusting the connecting plate promptly, the quantity of sampling box on the adjusting device of being convenient for, the hoisting device flexibility reduces because of one of them connecting frame damages the use that influences the device with the sampling box, is convenient for change connecting plate and sampling box on the device.
Optionally, the closing plate lateral wall is connected with the rubber pad, the rubber pad with the sampling box inner wall is interference fit.
Through adopting above-mentioned technical scheme, set up the rubber pad, rubber pad and sampling box inner wall interference fit, the hoisting device leakproofness reduces the device at the water sample and the silt of other degree of depth in the removal in-process influence the water sample and the silt after the sampling of sampling box, hoisting device stability, the accuracy of hoisting device sample.
Optionally, a scraper is connected to one side of the sealing plate, and the scraper abuts against the inner wall of the sampling box.
Through adopting above-mentioned technical scheme, set up the scraper blade, scraper blade and sampling box inner wall butt. When the sampling box rotates to the lower part of the connecting frame from the upper part of the connecting frame, the scraping plate is abutted with the inner wall of the sampling box, and the water sample and the sediment in the sampling box above the connecting frame are scraped off, so that the water sample and the sediment are separated, the water sample and the sediment below the connecting frame are enabled to enter the sampling box and finish sampling when the sampling box is sampled in the rotating process, and the condition that the sampling accuracy is influenced by disturbance water flow of the sampling box is reduced.
When the sampling box rotates to the upper side of the connecting frame from the lower side of the connecting frame, water samples and sediment in the sampling box flow out from the inside of the sampling box, so that the water samples and the sediment in the sampling box are conveniently detected, the scraping plate is abutted with the inner wall of the sampling box, the sediment attached to the inner wall of the sampling box is conveniently separated from the sampling box, the condition that the water samples and the sediment in the sampling box are omitted in the moving process is reduced, the stability of the lifting device is improved, and the detection accuracy of the lifting device is improved.
Optionally, the limiting piece comprises a torsion spring, a positioning pin and a first return spring, the torsion spring is arranged between the sampling box and the connecting frame, the torsion spring pushes the sampling box to rotate, a first sliding groove is formed in the inner wall of the connecting frame, the positioning pin is slidingly inserted in the first sliding groove, a positioning hole is formed in the outer wall of the sampling box, the positioning pin is slidingly inserted in the positioning hole, and the top surface of the positioning pin is obliquely arranged; the second chute has been seted up to connecting plate one side, the second chute communicate in first chute, the locating pin slip peg graft in the second chute, first reset spring one end connect in the second chute keep away from the lateral wall of sampling box, the first reset spring other end connect in the locating pin is kept away from one side of sampling box.
Through adopting above-mentioned technical scheme, set up torsional spring and locating pin, when locating pin and sampling box separation, the sampling box is rotated to the connecting frame below around fixed rotation from the connecting frame top under the torsional spring effect, the sampling box of being convenient for rotates and takes a sample at the rotation in-process, after the sample is accomplished, the staff promotes the sampling box, make the sampling box rotate to the connecting frame top along opposite direction, the sampling box of being convenient for uses next time, the torsional spring reuse of being convenient for, need not to additionally set up and be used for promoting sampling box pivoted power supply, reduce cost, the condition that the reduction device takes place to damage.
And a positioning pin is arranged, one end of the positioning pin is inserted into the positioning hole in a sliding manner, and when the positioning pin is positioned in the positioning hole, the positioning pin limits the position of the sampling box relative to the connecting frame. When the locating pin moves towards the direction of keeping away from the sampling box, when moving to locating pin and sampling box separation, the sampling box rotates under the effect of torsional spring, and the rotation opportunity of sampling box can be controlled through the removal of control locating pin to the control sampling box pivoted opportunity, facilitate the use. After the sampling box is separated from the locating pin, the locating pin moves towards the direction close to the sampling box under the action of the first reset spring.
The locating pin top surface slope sets up, the staff promotes the sampling box, make sampling box rotate to the connecting frame top from the connecting frame below, sampling box and locating pin top surface butt, under the butt of sampling box, the locating pin removes towards the direction of keeping away from sampling box, the sampling box rotates to first spout when being linked together with the locating hole, the locating pin removes towards the direction that is close to sampling box under first reset spring effect, remove to locating pin one end slip grafting in the locating hole, be convenient for locating pin restriction sampling box position, and be convenient for the next use of sampling box, the device reuse of being convenient for, and simple structure, the operation of being convenient for.
Optionally, the control groove that runs through on the connecting plate in vertical orientation has been seted up on the connecting plate, the control groove intercommunication in second spout middle part, the spacing groove has been seted up to control groove bottom lateral wall, the spacing groove extends along vertical orientation, be equipped with the locating piece in the spacing groove, the locating piece is whole cylindric and locate the locating pin below, the locating piece slide in vertical orientation in the spacing groove, the locating piece top surface is connected with first voussoir, first voussoir is whole triangular prism shape, first voussoir top surface slope sets up, first voussoir is close to one side area of sampling box is greater than first voussoir is kept away from one side area of sampling box, the locating pin is kept away from one end of sampling box is connected with the second voussoir, the second is whole triangular prism shape, the second voussoir is kept away from in the horizontal orientation slide in the locating pin below, the second voussoir bottom surface slope set up, one side area of sampling box is greater than the second voussoir is close to one side area of sampling box, when the second voussoir is kept away from one side area of sampling box, the second voussoir is kept away from to the locating pin, the top surface is kept away from to the first voussoir.
By adopting the technical scheme, the positioning block is slidably inserted in the limiting groove, the position of the positioning block is limited, the sliding range of the positioning block is limited, the situation that the positioning block slides to be separated from the connecting plate along the control groove is reduced, and the stability of the device is improved. When the positioning block moves upwards, the first wedge block is abutted with the second wedge block, so that the positioning pin and the second wedge block move in the direction away from the sampling box, the sampling box is further rotated, the rotation time of the sampling box is conveniently controlled, and the rotation of the sampling box can be controlled by controlling the upward movement of the positioning block, so that the sampling box is convenient to use. The locating pin removes towards the direction that is close to the sampling case under first reset spring effect, and locating pin removes in-process second voussoir and first voussoir butt, and simultaneously under the gravity effect of locating piece and first voussoir, locating piece and first voussoir follow the spacing groove and remove downwards, the device of being convenient for resets, the device of being convenient for uses a lot of.
Optionally, the control assembly includes a first control piece and a second control piece, the first control piece is used for controlling the bottommost locating piece to move upwards, the second control piece is used for controlling the last stage of the sampling box to rotate after the sampling box rotates.
Through adopting above-mentioned technical scheme, set up first control piece and second control piece, the locating piece of first control piece control bottommost upwards moves, controls the sampling box rotation of bottommost promptly. The second control piece is used for controlling the last level sampling box of this sampling box to rotate after one of them sampling box rotates, reduces to influence other sampling boxes to take a sample because of the nearby rivers of sampling box disturbance, promotes the accuracy of sample, and hoisting device's degree of automation, convenient to use reduces staff's work load, need not the rotation of each sampling box of staff's individual control.
Optionally, the first control piece comprises a support plate, a first control rod and a control line group, wherein the support plate is vertically arranged and is detachably connected with the bottom-most connecting plate, a second connecting groove is formed in the top surface of the support plate, and the second connecting groove is communicated with the first connecting groove; the first control rod is vertically arranged and is inserted in the second connecting groove in a sliding mode, the side wall of the supporting plate is provided with a control groove which is obliquely arranged and communicated with the second connecting groove, one end of the control line group penetrates through the control groove and is connected to the bottom of the first control rod, and the control line group controls the first control rod to move upwards.
Through adopting above-mentioned technical scheme, when putting into rivers with the device, loosen the control line group, place the device behind the assigned position, through pulling the control line group, make first control lever upwards move, first control lever upwards move in-process with the locating piece butt that is located in the connecting plate of bottommost to make the locating piece of bottommost upwards move, drive the locating pin of bottommost and move towards the direction of keeping away from the sampling box, promptly the sampling box of bottommost begins to rotate and take a sample.
Optionally, the second control piece includes a second control rod and a push rod, the second control rod is vertically arranged and slidingly inserted in the control groove, the positioning pin is wholly semi-cylindrical, the push rod is horizontally arranged and slidingly inserted in the first sliding groove and the second sliding groove, one end of the push rod extends out of the first sliding groove, the bottom surface of the push rod, which is close to one end of the sampling box, is obliquely arranged, one end of the push rod, which is far away from the sampling box, is connected with a second reset spring which is horizontally arranged, and one end of the second reset spring is connected with the second sliding groove; the second control rod bottom surface is connected with the third voussoir, the whole triangular prism that is of third voussoir, third voussoir bottom surface slope sets up, the third voussoir is kept away from one side area of sampling box is greater than the third voussoir is close to one side area of sampling box, the catch bar is kept away from one end of sampling box is connected with the fourth voussoir, the whole triangular prism that is of fourth voussoir, fourth voussoir top surface slope sets up, the fourth voussoir is close to one side area of sampling box is greater than the fourth voussoir is kept away from one side area of sampling box, third voussoir bottom surface butt in fourth voussoir top surface, the catch bar is kept away from when the direction of sampling box removes, the catch bar is pushed the second control rod upwards removes, the catch bar top butt in the top the locating piece of top, when the second control rod upwards removes, the catch bar top upwards moves.
By adopting the technical scheme, the sampling box rotates from the upper part of the connecting frame to the lower part of the connecting frame, when the sampling box rotates to the lower part of the connecting frame, the sampling box is abutted with the bottom surface of the pushing rod, and the pushing rod moves towards the direction far away from the sampling box under the abutting of the sampling box; in the moving process of the pushing rod, the fourth wedge block is abutted with the third wedge block, the third wedge block is pushed to move upwards with the second control rod under the abutting of the fourth wedge block, the second control rod moves upwards and is abutted with the positioning block of the upper stage, and the positioning block of the upper stage is pushed to move upwards. After one of them sampling box rotates and accomplishes, the sampling box of last level begins to rotate, reduces because of the negative effect that sampling box disturbance rivers caused the sampling accuracy, and a plurality of sampling box pivoted opportunities of control of being convenient for, convenient to use reduces staff's work load, need not the rotation and the sample of every sampling box of staff's individual control.
The second reset spring is arranged, under the action of the second reset spring, the push rod moves towards the direction close to the sampling box, and the second control rod moves downwards and resets under the action of gravity, so that the device is convenient to use next time.
Optionally, the connecting frame lateral wall is connected with support piece, support piece is used for spacing after the sample case rotates and accomplishes the position of sample case relative the connecting frame.
Through adopting above-mentioned technical scheme, set up support piece, further restrict the sampling box and accomplish the position of back relative connection frame of taking a sample, hoisting device stability.
In summary, the invention has the following beneficial technical effects:
1. the change in the past through the through-hole flow to the sampling mode in the sampling box on the rivers through the sampling box, rotate through the sampling box and take a sample, be convenient for together load at the sampling box inside with the silt that contains in the water sample, be convenient for detect silt content, be convenient for carry out water quality testing.
2. Under the condition that the length of the device is not required to be increased, the condition that water flows are disturbed mutually among a plurality of sampling boxes is reduced, and the sampling accuracy of the device is improved.
3. Through the installation quantity of adjusting the connecting plate, the quantity of sampling box on the adjusting device of being convenient for, the hoisting device flexibility reduces because of one of them connecting frame and sampling box damage the use that influences the device, is convenient for change connecting plate and sampling box on the device.
4. Set up the scraper blade, promote the accuracy of sample, be convenient for take out the water sample and the silt of sampling box.
Drawings
FIG. 1 is an overall block diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural view of a connecting member according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a sampling assembly according to an embodiment of the present invention;
FIG. 4 is a schematic view of the rubber pad and the scraper in the embodiment of the invention;
FIG. 5 is a schematic view of a support member according to an embodiment of the present invention;
FIG. 6 is a schematic structural view of the positioning block and the first control member according to the embodiment of the present invention;
fig. 7 is a schematic view of the structure of the locating pin and the pushing rod according to the embodiment of the invention.
Reference numerals illustrate: 1. a connection assembly; 11. a fixing plate; 12. a connecting plate; 13. a fixed bracket; 14. a connecting piece; 140. a first connection block; 141. a second connection block; 142. a limiting block; 143. a connecting spring; 144. a connecting rod; 145. a handle; 146. a first connection groove; 147. a second connecting groove; 148. a third connecting groove; 149. a fourth connecting groove; 1410. a groove; 2. a sampling assembly; 21. a connection frame; 22. sampling box; 23. a sealing plate; 24. a connecting column; 25. a rubber pad; 26. a scraper; 3. a support; 31. a first support block; 32. a support rod; 33. a second support block; 34. a support spring; 35. a support groove; 36. a support hole; 4. a limiting piece; 41. a positioning pin; 42. a first return spring; 43. a first chute; 44. positioning holes; 45. a second chute; 5. a control assembly; 51. a positioning block; 511. a control groove; 512. a limit groove; 513. a first wedge; 514. a second wedge; 52. a first control member; 521. a support plate; 522. a first control lever; 523. a control line group; 524. a baffle; 525. a first communication groove; 526. a second communication groove; 53. a second control member; 531. a second control lever; 532. a push rod; 533. a second return spring; 534. a third wedge; 535. and a fourth wedge.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. It will be apparent that the described embodiments are some, but not all, embodiments of the invention. All other embodiments, which are obtained by a person skilled in the art based on the described embodiments of the invention, fall within the scope of protection of the invention.
The invention is described in further detail below with reference to fig. 1-7.
The embodiment of the invention discloses a water quality detection layered sampling device. Referring to fig. 1 to 7, the water quality detection stratified sampling device includes a connection assembly 1, a plurality of sampling assemblies 2, a plurality of limiting members 4, and a plurality of control assemblies 5. The connecting assembly 1 is used for connecting a plurality of sampling assemblies 2, and a plurality of sampling assemblies 2 are arranged at parallel intervals in the vertical direction, and a plurality of sampling assemblies 2 are used for sampling and detecting water samples and sediment of different depths, so that sampling of a plurality of depths can be conveniently carried out once, and the use is convenient.
Referring to fig. 1 and 2, the connection assembly 1 includes a fixing plate 11 and a plurality of connection plates 12, the fixing plate 11 is integrally in a cuboid shape, the connection plates 12 are integrally in a cuboid shape, the fixing plate 11 and the connection plates 12 are vertically arranged, the connection plates 12 are arranged at intervals in the vertical direction, and the top end of the fixing plate 11 is connected with a fixing bracket 13, so that the device is convenient to limit the position and convenient to use. One of the connecting plates 12 is detachably connected to the fixed plate 11, two adjacent connecting plates 12 are detachably connected, connecting pieces 14 are arranged on the connecting plates 12, the connecting pieces 14 are used for limiting the positions of the connecting plates 12 relative to the fixed plate 11, and the connecting pieces 14 are used for limiting the relative positions of the two adjacent connecting plates 12. The connecting plates 12 are convenient to detach and install, the installation quantity of the connecting plates 12 on the device is convenient to adjust according to actual demands, the flexibility of the device is improved, and the condition that other connecting plates 12 are affected when one connecting plate 12 is damaged is reduced.
Referring to fig. 1 and 2, two connecting members 14 are provided between the connecting plate 12 and the fixing plate 11 at the top, and two connecting members 14 are provided between two adjacent connecting plates 12, thereby improving the stability of the device. The connecting piece 14 includes a first connecting block 140, a second connecting block 141, a limiting block 142, a connecting spring 143, a connecting rod 144 and a handle 145, wherein the first connecting block 140 is integrally rectangular, the first connecting block 140 is connected to the bottom surface of the connecting plate 12, and a first connecting groove 146 extending along the vertical direction is formed in the top surface of the connecting plate 12. Adjacent two connecting plates 12, the first connecting block 140 of the connecting plate 12 positioned above is slidably inserted into the first connecting groove 146 of the connecting plate 12 positioned below.
Referring to fig. 1 and 2, the second connecting block 141 is integrally rectangular, the second connecting block 141 is connected to the side surface of the connecting plate 12, a second connecting groove 147 is formed on one side of the second connecting block 141, which is close to the connecting plate 12, a third connecting groove 148 is formed on one side of the connecting plate 12, the third connecting groove 148 is communicated with the first connecting groove 146 and the second connecting groove 147, and the limiting block 142 is slidably inserted into the second connecting groove 147 and the third connecting groove 148. The connecting rod 144 is connected to one side of the limiting block 142 away from the connecting plate 12, a fourth connecting groove 149 is formed in one side of the second connecting block 141 away from the connecting plate 12, the connecting rod 144 is slidably inserted into the fourth connecting groove 149, one end of the connecting rod extends out of the second connecting block 141, the handle 145 is arranged out of the second connecting block 141, and the handle 145 is connected to one end of the connecting rod 144 away from the limiting block 142. The connecting spring 143 is horizontally arranged in the second connecting groove 147, one end of the connecting spring 143 is connected to the side wall of the second connecting groove 147, the other end of the connecting spring 143 is connected to one side, far away from the first connecting block 140, of the limiting block 142, and the limiting block 142 has a tendency to move towards a direction close to the first connecting block 140 under the action of the connecting spring 143.
Referring to fig. 1 and 2, a groove 1410 is formed on a side of the first connection block 140, which is close to the limiting block 142, and a side of the limiting block 142, which is close to the first connection block 140, is inclined, and the limiting block 142 is slidably inserted into the groove 1410. When the limiting block 142 is slidably inserted into the groove 1410, the limiting block 142 limits the position of the first connecting block 140 relative to the connecting plates 12, that is, limits the position between two adjacent connecting plates 12, and the bottom surface of the fixing plate 11 is connected with the first connecting block 140, so that the position of one connecting plate 12 relative to the fixing plate 11 is limited, and the device is convenient to use and install and detach. When the area of the top surface of the limiting block 142 is smaller than the area of the bottom surface of the limiting block 142, the first connecting block 140 of one connecting plate 12 and the first connecting groove 146 of the other connecting plate 12 are aligned during installation, the first connecting block 140 is in sliding connection with the first connecting groove 146, when the first connecting block 140 moves downwards and is in abutting connection with the limiting block 142, the limiting block 142 moves in a direction away from the first connecting block 140 under the abutting connection of the first connecting block 140, the connecting spring 143 is compressed, the first connecting block 140 moves downwards until the limiting block 142 is aligned with the groove 1410, the limiting block 142 is in sliding connection with the groove 1410 under the action of the connecting spring 143, and the position of the first connecting block 140 relative to the connecting plate 12 is limited. When the connecting plate is detached, the handle 145 is pulled to enable the limiting block 142 to move in a direction away from the first connecting block 140, and one connecting plate 12 is pulled to separate the first connecting block 140 from the first connecting groove 146, so that two adjacent connecting plates 12 can be separated, and detachment is completed. The disassembly and the assembly between the connecting plates 12 and the fixing plates 11 are consistent with the disassembly and the assembly between the adjacent two connecting plates 12.
Referring to fig. 1 and 3, the sampling assembly 2 is provided with a plurality of sampling plates 12 respectively connected to the plurality of connecting plates for sampling water samples and sediment at different depths. The sampling assembly 2 comprises a connecting frame 21, a sampling box 22 and a sealing plate 23, wherein the connecting frame 21 is integrally in a cuboid shape, the top surface of the connecting frame 21 is in a penetrating arrangement, and one side of the connecting frame 21 is fixedly connected to the side surface of the connecting plate 12. The sampling box 22 is entirely semi-cylindrical, and the interior of the sampling box 22 is hollow. The inner wall of the connecting frame 21 is connected with two connecting columns 24, the connecting columns 24 are cylindrical as a whole, the outer wall of the sampling box 22 is rotationally connected with the two connecting columns 24, namely the sampling box 22 is rotationally connected with the connecting frame 21.
Referring to fig. 1 and 3, the sampling box 22 is disposed above the connection frame 21 in the vertical direction, the bottom surface of the sampling box 22 before rotation is a plane, and the bottom surface of the sampling box 22 is disposed through, so that the situation that water samples and silt of other depths enter the sampling box 22 in the downward moving process of the device is reduced. The rotation range of the sampling box 22 is 180 degrees, the sampling box 22 rotates reciprocally, and the top surface of the sampling box 22 after the rotation is completed is a plane. When the sampling box 22 rotates to the lower part of the connecting frame 21 from the upper part of the connecting frame 21, water flow and sediment enter the inside of the sampling box 22 to sample, the water sample and sediment in the sampling box 22 are leaked in the process of completing sampling and moving upwards by the device, the water sample and sediment in other depths are reduced, the stability of the device is improved, the accuracy of sampling is improved, and accurate detection of water quality is facilitated.
Referring to fig. 1, 3 and 4, the whole sealing plate 23 is cuboid, and sealing plate 23 fixed connection is in two spliced pole 24, and sealing plate 23 seals sampling box 22, and the hoisting device stability promotes the accuracy of taking a sample, reduces the accuracy that other degree of depth's water sample and silt caused the influence to sampling box 22 in the device removal in-process. The rubber pad 25 is connected with the closing plate 23 lateral wall, and rubber pad 25 is interference fit with sampling box 22 inner wall, further promotes the device leakproofness, reduces the device at the water sample and the silt of other degree of depth in the removal in-process influence sampling box 22 in the water sample and the silt after the sample, promotes device stability, promotes the accuracy of device sample.
Referring to fig. 1, 3 and 4, a scraper 26 is connected to one side of the sealing plate 23, and the scraper 26 abuts against the inner wall of the sampling tank 22. When the sampling box 22 rotates to the lower part of the connecting frame 21 from the upper part of the connecting frame 21, the scraping plate 26 is abutted with the inner wall of the sampling box 22, and scrapes off the water sample and sediment in the sampling box 22 above the connecting frame 21, so that the water sample and sediment are separated, and when the sampling box 22 samples in the rotating process, the water sample and sediment below the connecting frame 21 enter the sampling box 22 and complete sampling, so that the condition that the sampling accuracy is influenced by the disturbance of the water flow of the sampling box 22 is reduced. When sampling box 22 rotates to the connection frame 21 top from the connection frame 21 below, the water sample and the silt in the sampling box 22 flow out from sampling box 22 inside to be convenient for detect the water sample and the silt in the sampling box 22, scraper blade 26 and sampling box 22 inner wall butt, the attached silt of sampling box 22 inner wall of being convenient for separates with sampling box 22, reduces the condition that the water sample and silt take place to miss in the removal in-process in the sampling box 22, hoisting device stability, hoisting device detects the accuracy.
Referring to fig. 3 and 5, a supporting member 3 is connected to a side wall of the connection frame 21, and the supporting member 3 is used for limiting the position of the sampling box 22 relative to the connection frame 21 after the rotation of the sampling box 22 is completed.
Referring to fig. 3 and 5, the support member 3 includes a first support block 31, a support bar 32, a second support block 33 and a support spring 34, a support groove 35 extending along a horizontal direction is provided on one side of the connection frame 21, the support bar 32 is horizontally provided in the support groove 35, two ends of the support bar 32 are respectively connected with the first support block 31 and the second support block 33, the first support block 31 is provided on one side of the connection frame 21 away from the sampling box 22, the first support block 31 is abutted to the connection frame 21, the second support block 33 is slidably inserted in the support groove 35, the support spring 34 is sleeved on the support bar 32, and two ends of the support spring 34 are respectively connected with the support groove 35 and the second support block 33. The sampling box 22 is provided with a supporting hole 36 on one side, and the second supporting block 33 is inserted into the supporting hole 36 in a sliding way on one side. When the sampling box 22 rotates below the connection frame 21, the second supporting block 33 is slidably inserted into the supporting hole 36, and the second supporting block 33 limits the position of the sampling box 22 relative to the connection frame 21, so as to improve the stability of the device.
Referring to fig. 3 and 5, the second supporting block 33 is disposed at an inclination near one end of the sampling box 22, the area of the top surface of the second supporting block 33 is larger than the area of the bottom surface, the sampling box 22 is abutted against the second supporting block 33 in the process of rotating the sampling box 22 to the lower side of the connecting frame 21, the second supporting block 33 moves in a direction away from the sampling box 22 under the pushing of the sampling box 22, and as the sampling box 22 continues to rotate, the second supporting block 33 moves in a direction approaching the sampling box 22 under the action of the supporting spring 34, and moves to the position of the second supporting block 33 to be slidably inserted into the supporting hole 36, so as to limit the position of the sampling box 22. When the device is sampled and the water sample and sediment in the sampling box 22 are required to be taken out by a worker, the first supporting block 31 is pulled, the first supporting block 31 and the second supporting block 33 are moved in the direction away from the sampling box 22, the second supporting block 33 is moved to be separated from the sampling box 22, and the sampling box 22 can be rotated, so that the water sample and sediment in the sampling box 22 are taken out, and the device is convenient to use.
Referring to fig. 3, 6 and 7, the stopper 4 includes a torsion spring, a positioning pin 41 and a first return spring 42, the torsion spring being provided in the connection post 24 and connected to the sampling box 22, and the sampling box 22 having a tendency to rotate from above the connection frame 21 to below the connection frame 21 under the action of the torsion spring (the torsion spring is not shown in the drawings). When locating pin 41 and sample case 22 separation, sample case 22 rotates to the connecting frame 21 below around fixed rotation under the torsional spring effect from connecting frame 21 top, and the sample case 22 of being convenient for rotates and take a sample at the rotation in-process, and the back is accomplished in the sample, and the staff promotes sample case 22, makes sample case 22 rotate to connecting frame 21 top along the rotation direction opposite before with, and sample case 22 of being convenient for uses next time, and torsional spring reuse of being convenient for need not to set up in addition and is used for promoting sample case 22 pivoted power supply, reduce cost, the circumstances that the reduction device takes place to damage.
Referring to fig. 2, 6 and 7, a first sliding groove 43 is formed in the inner wall of the connecting frame 21, a positioning pin 41 is slidably inserted into the first sliding groove 43, a positioning hole 44 is formed in the outer wall of the sampling box 22, the positioning pin 41 is slidably inserted into the positioning hole 44, and the top surface of the positioning pin 41 is obliquely arranged; a second chute 45 is formed in one side of the connecting plate 12, the second chute 45 is communicated with the first chute 43, the positioning pin 41 is slidably inserted into the second chute 45, one end of the first return spring 42 is connected to the side wall, away from the sampling box 22, of the second chute 45, and the other end of the first return spring 42 is connected to one side, away from the sampling box 22, of the positioning pin 41.
Referring to fig. 3, 6 and 7, a positioning pin 41 is provided, one end of the positioning pin 41 is slidably inserted into the positioning hole 44, and when the positioning pin 41 is positioned in the positioning hole 44, the positioning pin 41 restricts the position of the sampling box 22 relative to the connection frame 21. When the locating pin 41 moves towards the direction away from the sampling box 22, and moves to the position when the locating pin 41 is separated from the sampling box 22, the sampling box 22 rotates under the action of the torsion spring, so that the rotation time of the sampling box 22 can be controlled by controlling the movement of the locating pin 41, and the use is convenient. After the sample box 22 is separated from the positioning pin 41, the positioning pin 41 is moved in a direction approaching the sample box 22 by the first return spring 42. The locating pin 41 top surface slope sets up, the staff promotes sampling box 22, make sampling box 22 rotate to the connection frame 21 top from the connection frame 21 below, sampling box 22 and locating pin 41 top surface butt, under the butt of sampling box 22, locating pin 41 moves towards the direction of keeping away from sampling box 22, sampling box 22 rotates to first spout 43 and the locating hole 44 when being linked together, locating pin 41 moves towards the direction that is close to sampling box 22 under first reset spring 42 effect, move to locating pin 41 one end slip grafting in locating hole 44, be convenient for locating pin 41 restriction sampling box 22 position, and be convenient for sampling box 22's next use, the device reuse of being convenient for, and simple structure, the operation of being convenient for.
Referring to fig. 3, 6 and 7, the control assembly 5 includes a positioning block 51, a control groove 511 penetrating through the connecting plate 12 in the vertical direction is formed in the connecting plate 12, the control groove 511 is communicated with the middle of the second chute 45, a limit groove 512 is formed in the bottom side wall of the control groove 511, the limit groove 512 extends in the vertical direction, the positioning block 51 is integrally cylindrical and is arranged below the positioning pin 41, the positioning block 51 is slidably inserted in the limit groove 512 in the vertical direction, a first wedge 513 is connected to the top surface of the positioning block 51, the integrally triangular prism shape of the first wedge 513 is obliquely arranged, the area of one side of the first wedge 513 close to the sampling box 22 is larger than the area of one side of the first wedge 513 away from the sampling box 22, one end of the positioning pin 41 away from the sampling box 22 is connected with a second wedge 514, the integrally triangular prism shape of the second wedge 514 is slidably inserted in the second chute 45 in the horizontal direction, the area of one side of the second wedge 514 away from the sampling box 22 is larger than the area of one side of the second wedge 514 close to the sampling box 22, and the first wedge 514 is pushed to the first wedge 513 moves towards the bottom surface of the positioning block 41 away from the sampling box 22 when the first wedge 513 moves towards the top surface of the sampling box 41.
Referring to fig. 3, 6 and 7, the positioning block 51 is slidably inserted into the limiting groove 512, so as to limit the position of the positioning block 51, limit the sliding range of the positioning block 51, reduce the occurrence of the situation that the positioning block 51 slides along the control groove 511 to be separated from the connecting plate 12, and improve the stability of the device. When the positioning block 51 moves upwards, the first wedge 513 is abutted against the second wedge 514, so that the positioning pin 41 and the second wedge 514 move in a direction away from the sampling box 22, the sampling box 22 is further rotated, the rotation time of the sampling box 22 is conveniently controlled, and the rotation of the sampling box 22 can be controlled by controlling the upward movement of the positioning block 51, so that the use is convenient. The locating pin 41 moves towards the direction approaching the sampling box 22 under the action of the first reset spring 42, the second wedge block 514 is abutted against the first wedge block 513 in the moving process of the locating pin 41, and meanwhile, under the action of gravity of the locating block 51 and the first wedge block 513, the locating block 51 and the first wedge block 513 move downwards along the limiting groove 512, so that the device is convenient to reset and is convenient to use for a plurality of times.
Referring to fig. 3, 6 and 7, the control assembly 5 further includes a first control member 52 for controlling the bottommost positioning block 51 to move upward, and a second control member 53 for controlling the rotation of the upper stage sampling tank 22 of the sampling tank 22 after the rotation of the sampling tank 22 is completed.
Referring to fig. 2, 3, 6 and 7, the first control member 52 includes a support plate 521, a first control lever 522 and a control line group 523, the support plate 521 is vertically disposed and is detachably connected to the bottommost connection plate 12 through the connection member 14, and a first connection groove 146 is formed in a top surface of the support plate 521, thereby improving flexibility of the apparatus. The baffle 524 that the level set up is connected with to backup pad 521 bottom, is convenient for put into the aquatic with the device, baffle 524 and riverbed butt, the fixing device of being convenient for, the device stability is promoted, the device reduces and takes place to rock the condition that influences the device sample. The top surface of the supporting plate 521 is provided with a first communicating groove 525; the first control rod 522 is vertically arranged and is inserted in the first communication groove 525 in a sliding manner, the side wall of the supporting plate 521 is provided with a second communication groove 526 which is obliquely arranged and is communicated with the first communication groove 525, one end of the control line group 523 penetrates through the second communication groove 526 and is connected to the bottom of the first control rod 522, and the control line group 523 controls the first control rod 522 to move upwards.
Referring to fig. 3, 6 and 7, when the device is put into the water flow, the control line group 523 is loosened, after the device is put to a designated position, the control line group 523 is pulled to enable the first control rod 522 to move upwards, the first control rod 522 is abutted with the positioning block 51 in the bottommost connecting plate 12 in the upward movement process, and the bottommost positioning block 51 is enabled to move upwards, so that the bottommost positioning pin 41 is driven to move in a direction away from the sampling box 22, namely, the bottommost sampling box 22 starts to rotate and sample.
Referring to fig. 3, 6 and 7, the second control member 53 includes a second control lever 531 and a push lever 532, the second control lever 531 is vertically disposed and slidably inserted in the control slot 511, the positioning pin 41 is integrally semi-cylindrical, the push lever 532 is horizontally disposed and slidably inserted in the first chute 43 and the second chute 45, one end of the push lever 532 extends out of the first chute 43, the push lever 532 is disposed at an inclination near a bottom surface of one end of the sampling box 22, one end of the push lever 532 far away from the sampling box 22 is connected with a horizontally disposed second return spring 533, and one end of the second return spring 533 is connected with the second chute 45.
Referring to fig. 6 and 7, the bottom surface of the second lever 531 is connected with a third wedge 534, the third wedge 534 is in a triangular prism shape as a whole, the bottom surface of the third wedge 534 is obliquely arranged, the area of one side of the third wedge 534 away from the sampling box 22 is larger than the area of one side of the third wedge 534 close to the sampling box 22, one end of the push rod 532 away from the sampling box 22 is connected with a fourth wedge 535, the whole of the fourth wedge 535 is in a triangular prism shape, the top surface of the fourth wedge 535 is obliquely arranged, the area of one side of the fourth wedge 535 close to the sampling box 22 is larger than the area of one side of the fourth wedge 535 away from the sampling box 22, the bottom surface of the third wedge 534 is abutted to the top surface of the fourth wedge 535, when the push rod 532 moves in a direction away from the sampling box 22, the second lever 531 moves upwards, the top end of the second lever 531 is abutted to the upper positioning block 51, and when the second lever 531 moves upwards, the upper positioning block 51 is pushed upwards.
Referring to fig. 1, 6 and 7, when the sampling box 22 is rotated from above the connection frame 21 to below the connection frame 21, the sampling box 22 abuts against the bottom surface of the push rod 532, and the push rod 532 moves away from the sampling box 22 under the abutment of the sampling box 22 when the sampling box 22 is rotated to below the connection frame 21; during the movement of the push rod 532, the fourth wedge 535 abuts against the third wedge 534, and the third wedge 534 is pushed to move upward with the second lever 531 by the abutment of the fourth wedge 535, and the second lever 531 moves upward and abuts against the positioning block 51 of the upper stage to push the positioning block 51 of the upper stage to move upward. After one of the sampling boxes 22 rotates, the sampling box 22 of the upper stage starts to rotate, negative influence on sampling accuracy caused by disturbance of water flow of the sampling boxes 22 is reduced, the rotation time of the sampling boxes 22 is conveniently controlled, the use is convenient, the workload of staff is reduced, and the staff is not required to independently control the rotation and sampling of each sampling box 22. A second return spring 533 is provided, under the action of the second return spring 533, the push rod 532 is moved towards the direction approaching the sampling box 22, and the second control rod 531 is moved downwards and returned under the action of gravity, so that the device is convenient for the next use.
The implementation principle of the water quality detection layered sampling device in the embodiment of the invention is as follows:
the device is assembled, and the number of the connecting plates 12 and the sampling assemblies 2 is adjusted according to actual requirements. One of the connecting plates 12 is connected to the fixing member, and when the fixing plate is installed, the first connecting block 140 below the fixing plate 11 and the first connecting groove 146 on one connecting plate 12 are aligned, so that the first connecting block 140 is slidably inserted into the first connecting groove 146, and the position of the topmost connecting plate 12 relative to the fixing plate 11 is limited. The two adjacent connecting plates 12 are connected through the connecting piece 14, and the first connecting block 140 below one connecting plate 12 is aligned with the first connecting groove 146 on the other connecting plate 12, so that the first connecting block 140 is slidably inserted into the first connecting groove 146, and the position between the two adjacent connecting plates 12 is limited. The first connecting block 140 on the bottommost connecting plate 12 is aligned with the first connecting groove 146 on the supporting plate 521, so that the first connecting block 140 is slidably inserted into the first connecting groove 146, and the position of the supporting plate 521 relative to the bottommost connecting plate 12 is limited.
The device is placed in water, and the position of the device is limited by the fixed support 13 on the fixed plate 11 and the baffle 524 at the bottom of the device, so that the device can sample conveniently.
After the device is installed, the control line group 523 is pulled, and the control line group 523 pulls the first control rod 522, so that the first control rod 522 moves upwards and is abutted with the positioning block 51 in the bottommost connecting plate 12, and the bottommost positioning block 51 moves upwards.
The positioning block 51 pushes the bottommost positioning pin 41 in the upward moving process, so that the bottommost positioning pin 41 moves in the direction away from the sampling box 22, the sampling box 22 rotates under the action of the torsion spring, the sampling box 22 rotates from the upper side of the connecting frame 21 to the lower side of the connecting frame 21, and the sampling box 22 completes sampling in the rotating process.
When the sampling box 22 rotates below the connecting frame 21, the sampling box 22 is abutted against the second supporting block 33, the second supporting block 33 moves in the direction away from the sampling box 22 under the pushing of the sampling box 22, and as the sampling box 22 continues to rotate, the second supporting block 33 moves in the direction close to the sampling box 22 under the action of the supporting spring 34, and the second supporting block 33 is moved to be slidably inserted into the supporting hole 36, so that the position of the sampling box 22 is limited.
After one of the sampling boxes 22 is rotated, the sampling box 22 abuts against the bottom surface of the push rod 532, and the push rod 532 moves in a direction away from the sampling box 22 under the abutment of the sampling box 22; during the movement of the push rod 532, the fourth wedge 535 abuts against the third wedge 534, and the third wedge 534 is pushed to move upward with the second lever 531 by the abutment of the fourth wedge 535, and the second lever 531 moves upward and abuts against the positioning block 51 of the upper stage to push the positioning block 51 of the upper stage to move upward.
When the device is used for taking out the water sample and the sediment in the sampling box 22 after sampling is completed, a worker is required to take out the water sample and the sediment in the sampling box 22, the first supporting block 31 is pulled, the first supporting block 31 and the second supporting block 33 are moved towards the direction away from the sampling box 22, the first supporting block 33 is moved to be separated from the sampling box 22, the worker rotates the sampling box 22, the sampling box 22 is rotated to the upper side of the connecting frame 21 from the lower side of the connecting frame 21, and the sediment on the inner wall of the sampling box 22 is scraped by the scraping plate 26 in the rotating process, so that the water sample and the sediment in the sampling box 22 are taken out.
After taking out the water sample and silt in the sampling box 22, the staff pushes the sampling box 22 to enable the top surface of the sampling box 22 to be abutted with the top surface of the locating pin 41, the locating pin 41 moves towards the direction away from the sampling box 22 under the abutting of the sampling box 22, when the sampling box 22 rotates to the first sliding groove 43 to be communicated with the locating hole 44, the locating pin 41 moves towards the direction close to the sampling box 22 under the action of the first reset spring 42, one end of the locating pin 41 is slidably inserted into the locating hole 44, the position of the sampling box 22 is limited by the locating pin 41, and the next use of the sampling box 22 is facilitated. The positioning block 51 moves downwards under the abutting of the positioning pin 41 and the self gravity action of the positioning block 51, so that the next use is convenient.
After the sampling case 22 is separated from the push rod 532, the push rod 532 moves in a direction approaching the sampling case 22 under the action of the second return spring 533, and the second control rod 531 moves downward under the action of self gravity, so that the next use is facilitated.
Furthermore, it should be noted that, in the description of the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to the specific circumstances.
While the foregoing is directed to the preferred embodiments of the present invention, it will be appreciated by those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present invention, and such modifications and adaptations are intended to be comprehended within the scope of the present invention.
Claims (2)
1. Water quality testing stratified sampling device, its characterized in that includes:
A connection assembly (1);
the connecting frames (21) are provided with a plurality of connecting frames which are all connected with the connecting assembly (1), and the connecting frames (21) are arranged at intervals in parallel in the vertical direction;
the sampling box (22) is provided with a plurality of inner walls which are respectively connected with one connecting frame (21) in a rotating way, the sampling box (22) is arranged above the connecting frame (21) in the vertical direction, the inside of the sampling box (22) is hollow, and the bottom surface of the sampling box (22) is arranged in a penetrating way;
a plurality of sealing plates (23) which are respectively fixedly connected to the inner wall of one connecting frame (21), wherein the sealing plates (23) seal the sampling box (22);
the limiting pieces (4) are provided with a plurality of limiting pieces and are connected to the connecting assembly (1), the limiting pieces (4) are respectively used for controlling one of the sampling boxes (22) to rotate, the sampling boxes (22) are positioned below the connecting frame (21) after rotating, and the sealing plate (23) seals the sampling boxes (22);
the control assembly (5) is provided with a plurality of groups and is connected with the connecting assembly (1), and the control assembly (5) enables the sampling box (22) to rotate by controlling the limiting piece (4), wherein after one of the sampling boxes (22) is rotated, the control assembly (5) controls the sampling box (22) at the upper stage of the sampling box (22) to rotate;
The connecting assembly (1) comprises a fixed plate (11) and a plurality of connecting plates (12), wherein the fixed plate (11) and the connecting plates (12) are vertically arranged, the connecting plates (12) are arranged at intervals in the vertical direction, one connecting plate (12) is detachably connected to the fixed plate (11), two adjacent connecting plates (12) are detachably connected, connecting pieces (14) are arranged on the connecting plates (12), the connecting pieces (14) are used for limiting the positions of the connecting plates (12) relative to the fixed plate (11), the connecting pieces (14) are used for limiting the relative positions of the two adjacent connecting plates (12), and a plurality of connecting frames (21) are respectively connected to one connecting plate (12);
the side wall of the sealing plate (23) is connected with a rubber pad (25), and the rubber pad (25) is in interference fit with the inner wall of the sampling box (22);
one side of the sealing plate (23) is connected with a scraping plate (26), and the scraping plate (26) is abutted against the inner wall of the sampling box (22);
the limiting piece (4) comprises a torsion spring, a positioning pin (41) and a first reset spring (42), wherein the torsion spring is arranged between the sampling box (22) and the connecting frame (21), the torsion spring pushes the sampling box (22) to rotate, a first sliding groove (43) is formed in the inner wall of the connecting frame (21), the positioning pin (41) is slidably inserted into the first sliding groove (43), a positioning hole (44) is formed in the outer wall of the sampling box (22), the positioning pin (41) is slidably inserted into the positioning hole (44), and the top surface of the positioning pin (41) is obliquely arranged;
A second chute (45) is formed in one side of the connecting plate (12), the second chute (45) is communicated with the first chute (43), the positioning pin (41) is inserted in the second chute (45) in a sliding manner, one end of the first return spring (42) is connected to the side wall, far away from the sampling box (22), of the second chute (45), and the other end of the first return spring (42) is connected to one side, far away from the sampling box (22), of the positioning pin (41);
the utility model discloses a sampling box, including connecting plate (12), connecting plate, control groove (511) that runs through in vertical direction on connecting plate (12), control groove (511) communicate in second spout (45) middle part, limit groove (512) have been seted up to control groove (511) bottom lateral wall, limit groove (512) are along vertical direction extension, be equipped with locating piece (51) in limit groove (512), locating piece (51) wholly are cylindric and locate locating pin (41) below, locating piece (51) slide grafting in the limit groove (512) in the vertical direction, locating piece (51) top surface is connected with first voussoir (513), first voussoir (513) wholly are the triangular prism shape, first voussoir (513) top surface slope sets up, first voussoir (513) are close to one side area of sampling box (22) is greater than first voussoir (513) keep away from one side area of sampling box (22), one end that locating pin (41) kept away from sampling box (22) is connected with second voussoir (514), second voussoir (514) are in the second direction is in triangular prism shape (514) slope, second voussoir (514) are in the second direction, the area of one side of the second wedge block (514) away from the sampling box (22) is larger than the area of one side of the second wedge block (514) close to the sampling box (22), and when the positioning block (51) moves upwards, the top surface of the first wedge block (513) is abutted with the bottom surface of the second wedge block (514) and pushes the positioning pin (41) to move towards the direction away from the sampling box (22);
The control assembly (5) comprises a first control piece (52) and a second control piece (53), the first control piece (52) is used for controlling the bottommost positioning block (51) to move upwards, and the second control piece (53) is used for controlling the upper stage of the sampling box (22) to rotate after the rotation of the sampling box (22) is completed;
the first control piece (52) comprises a support plate (521), a first control rod (522) and a control line group (523), wherein the support plate (521) is vertically arranged and is detachably connected to the bottommost connecting plate (12), and a first communication groove (525) is formed in the top surface of the support plate (521);
the first control rod (522) is vertically arranged and is inserted in the first communication groove (525) in a sliding manner, a second communication groove (526) which is obliquely arranged and is communicated with the first communication groove (525) is formed in the side wall of the supporting plate (521), one end of the control line group (523) passes through the second communication groove (526) and is connected to the bottom of the first control rod (522), and the control line group (523) controls the first control rod (522) to move upwards;
the second control piece (53) comprises a second control rod (531) and a pushing rod (532), the second control rod (531) is vertically arranged and is in sliding connection with the control groove (511), the positioning pin (41) is integrally semi-cylindrical, the pushing rod (532) is horizontally arranged and is in sliding connection with the first sliding groove (43) and the second sliding groove (45), one end of the pushing rod (532) extends out of the first sliding groove (43), the bottom surface of one end, close to the sampling box (22), of the pushing rod (532) is obliquely arranged, one end, far away from the sampling box (22), of the pushing rod (532) is connected with a second reset spring (533) which is horizontally arranged, and one end of the second reset spring (533) is connected with the second sliding groove (45);
The utility model discloses a control box, including sample box (22) and locating piece, second control rod (531) bottom surface is connected with third voussoir (534), third voussoir (534) are whole to be triangular prism shape, third voussoir (534) bottom surface slope sets up, third voussoir (534) keep away from one side area of sample box (22) is greater than third voussoir (534) are close to one side area of sample box (22), push rod (532) are kept away from one end of sample box (22) is connected with fourth voussoir (535), fourth voussoir (535) are whole to be triangular prism shape, fourth voussoir (535) top surface slope sets up, fourth voussoir (535) are close to one side area of sample box (22) is greater than fourth voussoir (535) are kept away from one side area of sample box (22), third voussoir (534) bottom surface butt in fourth voussoir (535) top surface, push rod (532) are kept away from when the direction of sample box (22) removes, push rod (531) removes top end, push rod (531) upwards pushes on the control rod (531) when removing in the direction (51) top of the second control rod (531).
2. The water quality testing stratified sampling device according to claim 1, wherein: the side wall of the connecting frame (21) is connected with a supporting piece (3), and the supporting piece (3) is used for limiting the position of the sampling box (22) relative to the connecting frame (21) after the rotation of the sampling box (22) is completed.
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| CN202410023600.3A CN117517004B (en) | 2024-01-08 | 2024-01-08 | Layered sampling device for water quality detection |
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| CN202410023600.3A CN117517004B (en) | 2024-01-08 | 2024-01-08 | Layered sampling device for water quality detection |
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| CN217542531U (en) * | 2022-06-27 | 2022-10-04 | 河南美源科技有限公司 | A stratified sampling device for water quality testing |
| CN115266236A (en) * | 2022-08-09 | 2022-11-01 | 湖南省水产科学研究所 | Water quality testing sampling device is bred in rice field |
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